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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2037-04-25 10:08:26 +0200 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-11-30 09:44:23 -0800 |
| commit | 12ca45fea91cfbb09df828bea958b47348caee6d (patch) | |
| tree | ce5d58b2a8315d4d3be51b7ae444abfa79878327 /drivers/gpu/drm/i915 | |
| parent | 26444877812fb2a2b9301b0b3702fdf9f9e06e4b (diff) | |
| download | kernel-crypto-12ca45fea91cfbb09df828bea958b47348caee6d.tar.gz kernel-crypto-12ca45fea91cfbb09df828bea958b47348caee6d.tar.xz kernel-crypto-12ca45fea91cfbb09df828bea958b47348caee6d.zip | |
drm/i915: overlay: extract some duplicated code
I've suspected some bug there wrt to suspend, but that was not
the case. Clean up the code anyway.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index f1bf0b0c204..b97c5c562aa 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -375,12 +375,28 @@ static int intel_overlay_off(struct intel_overlay *overlay) if (ret != 0) return ret; - overlay->active = 0; overlay->hw_wedged = 0; overlay->last_flip_req = 0; return ret; } +static void intel_overlay_off_tail(struct intel_overlay *overlay) +{ + struct drm_gem_object *obj; + + /* never have the overlay hw on without showing a frame */ + BUG_ON(!overlay->vid_bo); + obj = overlay->vid_bo->obj; + + i915_gem_object_unpin(obj); + drm_gem_object_unreference(obj); + overlay->vid_bo = NULL; + + overlay->crtc->overlay = NULL; + overlay->crtc = NULL; + overlay->active = 0; +} + /* recover from an interruption due to a signal * We have to be careful not to repeat work forever an make forward progess. */ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, @@ -438,17 +454,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, return ret; case SWITCH_OFF_STAGE_2: - BUG_ON(!overlay->vid_bo); - obj = overlay->vid_bo->obj; - - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - overlay->vid_bo = NULL; - - overlay->crtc->overlay = NULL; - overlay->crtc = NULL; - - overlay->active = 0; + intel_overlay_off_tail(overlay); break; default: BUG_ON(overlay->hw_wedged != NEEDS_WAIT_FOR_FLIP); @@ -831,7 +837,6 @@ int intel_overlay_switch_off(struct intel_overlay *overlay) { int ret; struct overlay_registers *regs; - struct drm_gem_object *obj; struct drm_device *dev = overlay->dev; BUG_ON(!mutex_is_locked(&dev->struct_mutex)); @@ -855,16 +860,7 @@ int intel_overlay_switch_off(struct intel_overlay *overlay) if (ret != 0) return ret; - /* never have the overlay hw on without showing a frame */ - BUG_ON(!overlay->vid_bo); - obj = overlay->vid_bo->obj; - - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - overlay->vid_bo = NULL; - - overlay->crtc->overlay = NULL; - overlay->crtc = NULL; + intel_overlay_off_tail(overlay); return 0; } |